TDA9873HS datasheet(13/40 Pages) PHILIPS

13 / 40 page

2000 Apr 04

Philips Semiconductors

Product speciﬁcation

Multistandard dual carrier stereo sound decoder

TDA9873H

Pilot processing (pin 31)

fpilot

pilot operating frequency

(3.5fH)

fH1 = 15625 Hz

−

54688

−

fH2 = 15734 Hz

−

55070

−

KO(pilot)

VCO steepness

∆fpilot/∆VLPF

note 11

−

kHz/V

KD(pilot)

phase detector steepness

∆ILPF/∆ϕ(pilot)

∆fpilot window ±150 Hz;

note 11

−

−µA/rad

∆f

SC2(pilot)

second sound carrier pilot

frequency deviation

unmodulated pilot

1.5

2.5

3.5

kHz

mAM(pilot)

pilot AM modulation depth

Identiﬁcation (pins 34 and 35)

fLP(CID)

low-pass frequency response

at pin CID

−3 dB point

450

600

750

fstereo

identiﬁcation operating stereo

frequency

B/G and D/K standard;

⁄133fH1

−

117.48

−

fstereo(h)

identiﬁcation operating

stereo (h) frequency

M standard; 1

⁄105fH2

−

149.85

−

fdual

identiﬁcation operating dual

frequency

B/G and D/K standard;

⁄57fH1

−

274.12

−

fdual(h)

identiﬁcation operating

dual (h) frequency

M standard; 1

⁄57fH2

−

276.04

−

tident(on)

total identiﬁcation time on for

identiﬁcation mode change

normal mode; note 12

0.35

−

fast mode; note 12

0.1

−

0.5

tident(off)

total identiﬁcation time off for

identiﬁcation mode change

normal mode; note 12

0.6

−

1.6

fast mode; note 12

0.15

−

0.4

∆f

ident

identiﬁcation window width

normal mode; note 13

−

fast mode; note 13

−

C/Npilot

pilot sideband carrier-to-noise

ratio for start of identiﬁcation

−

dBc/Hz

fdet

pull-in frequency range of

identiﬁcation PLL (referred to

fstereo = 117.48 Hz and

fdual = 274.12 Hz)

normal mode lower side

−0.63

−−0.63

normal mode upper side

0.63

−

0.63

fast mode lower side

−2.05

−−2.05

fast mode upper side

2.05

−

2.05

Reference input (operation as crystal oscillator; pin 15)

fsr(xtal)

series resonant frequency of

crystal

fundamental mode;

CL = 20 to 30 pF during

crystal production

−

4.0

−

MHz

∆f

w(max)

allowed maximum spread of

oscillator working frequency

over operating temperature

range including ageing and

inﬂuence of drive circuit;

note 3

−−

±300 × 10−6

∆fR

cutting frequency tolerance

−−

±50 × 10−6

∆fd

frequency drift

−−

±50 × 10−6

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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